Home / 529,391,204.80-794,086,807.20-406,947,198.40

Finding the Fourth Proportional to 529,391,204.80, 794,086,807.20 and 406,947,198.40

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Solution

The fourth proportional to 529,391,204.80, 794,086,807.20 and 406,947,198.40 is: 610,420,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,391,204.80 : 794,086,807.20 = 406,947,198.40 : x
  2. Step 2: Convert to fraction form
    529,391,204.80/794,086,807.20 = 406,947,198.40/x
  3. Step 3: Cross multiply
    529,391,204.80x = 794,086,807.20 × 406,947,198.40
  4. Step 4: Simplify right side
    529,391,204.80x = 323,151,401,476,440,960
  5. Step 5: Solve for x
    x = 323,151,401,476,440,960/529,391,204.80
  6. Step 6: Final answer
    x = 610,420,797.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.